field effect graphics and scripts

build.bat

@@ -1,4 +1,4 @@
 as -mcpu=arm7tdmi asm/emerald.s -o emerald.o
-ld -T ld_script.txt -T wram_syms.txt -o emerald.elf emerald.o
-objcopy -O binary emerald.elf emerald.gba
-fc /b base_emerald.gba emerald.gba
+ld -T ld_script.txt -T wram_syms.txt -o pokeemerald.elf emerald.o
+objcopy -O binary pokeemerald.elf pokeemerald.gba
+diff base_emerald.gba pokeemerald.gba